Koontz, H. (2007). Essentials of Management: An International Perspective. McGraw Hill.
Chicago-čujuhus (17. p.)Koontz, Harold. Essentials of Management: An International Perspective. New Delhi: McGraw Hill, 2007.
MLA-čujuhus (9. p.)Koontz, Harold. Essentials of Management: An International Perspective. McGraw Hill, 2007.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.